<template>
	<view class="goodlist" v-if="dataBuffer">
		<!-- head区域 -->
		<view class="head">
			<view class="search">
				<u-search 
					@search="goSearch"
					@custom="goSearch"
					shape="square"
					:show-action="true" 
					action-text="搜索" 
					:animation="true" 
					margin="10rpx 0rpx">
				</u-search>
			</view>
			<view class="sortbox">
				<view class="sort">
					<view hover-class="touchOpacity">综合排序</view>
					<view hover-class="touchOpacity">销量</view>
					<view hover-class="touchOpacity" @click="pricesort">
						<text>价格</text>
						<image src="../../static/icon/sort.png"></image>
					</view>
					<view hover-class="touchOpacity">好评度</view>
					<view hover-class="touchOpacity">店铺</view>
				</view>	
				<view class="filter" hover-class="touchOpacity">
					<image src="../../static/icon/filter.png"></image>
					<text>筛选</text>
				</view>
			</view>
			
		</view>

		<!-- 提示标语区域 -->
		<view class="biaoyu" hover-class="touchOpacity">
			<u-notice-bar mode="vertical" :list="list"  :show="true" :close-icon="true"></u-notice-bar>
		</view>
		
		<!-- 商品列表区域 -->
		<view class="list" >
			<view 
				class="row" 
				v-for="(item,index) in goodlist" :key="index" 
				@click="goDetails(item)"
			>
				<!-- 执行图片赖加载 此处注意百度小程序问题需要指定固定高度-->
				<view class="image">
					<u-lazy-load :key="index" :image="item.img" height="218"></u-lazy-load>
				</view>
				<view class="info" hover-class="touchOpacity">
					<text>{{item.goodsname}}</text>	
					<view class="money">
						<text>￥ {{item.price}}</text> <text>￥{{item.market_price}}</text>
					</view>
					<text>双11.11限制200起</text>
					<text space="ensp">3565评论   99%好评</text>	
				</view>
			</view>
		</view>
		
		<!-- 底部悬浮球 -->
		<view 
			v-if="topBuffer"
			class="quick_top" 
			hover-class="touchOpacity"
			@click="goScrollTop"
		>
			<image src="../../static/icon/totop.png"></image>
		</view>
	</view>
	<view v-else>
		<!-- 无数据提示 -->
		<u-empty 
			text="暂无数据~~去逛逛~~" mode="list" 
			:show="!dataBuffer" 
			color="orange" icon-color="orange"
		></u-empty>
	</view>
</template>

<script>
	
	export default {
		data() {
			return {
				value2:'',
				list: [
					'筛选11.11大促商品,亲,请速速赶来',
					'筛选11.11大促商品,亲,请速速赶来',
				],
				show: false,
				mode: 'right',
				mask: true, // 是否显示遮罩
				closeable: true,
				closeIconPos: 'top-right',
				topBuffer:false,//控制悬浮球显示
				dataBuffer:true,
				page: 1,
				size: 5,
				goodlist:[],
				totalPage: ''
			}
		},
		onLoad(){
			this.request_getgoodlist();
		},
		
		onReachBottom(){
			this.page++;
			if(this.page > this.totalPage) return;
			this.request_getgoodlist();
		},
		
		onPageScroll({scrollTop}){
			if(scrollTop >= 500){
				this.topBuffer = true;
				return;
			}
			this.topBuffer = false;
		},
		
		methods: {
			// 跳转到搜索页面
			goSearch(value){
				uni.navigateTo({
					url: `/pages/search/search?value=${value}`
				})
			},
			
			// 价格筛选事件
			pricesort(){
				uni.showActionSheet({
					itemList:['升序','降序']
				})
			},
			
			goScrollTop(){
				uni.pageScrollTo({
					scrollTop: 0
				})
			},
			
			goDetails(value){
				console.log(value);
				uni.navigateTo({
					url: `/pages/gooddesc/gooddesc?value=${JSON.stringify(value)}`
				})
			},
			
			
			async request_getgoodlist(){
				let {id, type} = JSON.parse(this.$mp.query.value);
				let [err, {data}] = await uni.request({
					url: `${this.$baseApi}getgoodlist`, 
					data: {
						cateid: id,
						type: type,
						page: this.page,
						size: this.size
					}
				})
				console.log(data);
				if(!data.list.goodData && data.list.totalPage == 0){
					this.goodlist = [];
					this.dataBuffer = false;
					return;
				}
				
				this.totalPage = data.list.totalPage;
				data.list.goodData.forEach(item => item.img = this.$baseUrl + item.img);
				this.goodlist.push(...data.list.goodData);
			}
		}
		
		
	}
</script>

<style>
	/* 引入样式 */
	@import url("@/static/css/goodlist.css");
</style>
